Graphical user interface for a display screen or portion thereof



FIG. 1 is a front view of the graphical user interface for a displayscreen or portion thereof showing the design of the graphical userinterface. The broken lines of the display screen or portions thereofform no part of the claimed design. The text, images, wireless networkindicator and battery indicator are for illustrative purposes and formno part of the claimed design.

CLAIM The ornamental design for a graphical user interface for a displayscreen or portion thereof, as shown and described.